AT125596B - Device for regulating the voltage of an alternator. - Google Patents

Device for regulating the voltage of an alternator.

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Publication number
AT125596B
AT125596B AT125596DA AT125596B AT 125596 B AT125596 B AT 125596B AT 125596D A AT125596D A AT 125596DA AT 125596 B AT125596 B AT 125596B
Authority
AT
Austria
Prior art keywords
voltage
regulating
alternator
cathodes
voltage source
Prior art date
Application number
Other languages
German (de)
Inventor
Frans Hendrik De Jong
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT125596B publication Critical patent/AT125596B/en

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Description

  

   <Desc/Clms Page number 1> 
 



  Einrichtung zum Regeln der Spannung eines Wechselstromgenerators. 
 EMI1.1 
 

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   In Fig. 2 ist eine Schaltung zum Regeln der Spannung eines Weehselstromgenerators angegeben, bei der eine Einrichtung nach Fig. 1 angewendet ist. 10 ist ein durch Gleichstrom erregter Wechselstromgenerator, 11 ist   ein Vorsehaltwiderstand und ist die Erregerwicklung, parallel zu   der eine Zweielektrodenröhre 16 angeordnet ist, deren Kathode 17 durch die Generatorspannung über eine Einrichtung, wie die in Fig. 1 dargestellte, gespeist wird. 



   Bei Zunahme der Generatorbelastung nimmt die Klemmenspannung ab. Dem an Hand der Fig. 1. 



  Ausgeführten entsprechend, nimmt der Strom in der   Primärwicklung   des Transformators 9 verhältnismässig stark ab, und diese starke Abnahme pflanzt sich auf den Heizstrom der Zweielektrodenröhre 16 fort, deren innerer Widerstand infolgedessen bedeutend zunimmt. Infolge dieses Umstandes und des Vorhandenseins eines Vorschaltwiderstandes 11 nimmt der Feldstrom in der Wicklung 15 zu und die Generatorspannung steigt dementsprechend an : die Spannungsabnahme ist verringert. 



   Es ist selbstverständlich nicht notwendig, die Anoden 5 und 7 und die Kathoden 6 und 8   (Fig. l)   in zwei Röhren anzuordnen, es kann auch sehr einfach eine einzige Entladungsröhre angewendet werden, in der alle vier Elektroden angeordnet sind. In Fig. 3 ist eine Ausführungsform einer solchen Röhre dargestellt, bei der die der Fig. 1 entsprechenden Teile mit gleichen Bezugszeichen bezeichnet sind.



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  Device for regulating the voltage of an alternator.
 EMI1.1
 

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   FIG. 2 shows a circuit for regulating the voltage of an alternating current generator, in which a device according to FIG. 1 is applied. 10 is an alternating current generator excited by direct current, 11 is a bias resistor and is the excitation winding, in parallel with which a two-electrode tube 16 is arranged, the cathode 17 of which is fed by the generator voltage via a device such as that shown in FIG.



   When the generator load increases, the terminal voltage decreases. With reference to FIG. 1.



  As stated, the current in the primary winding of the transformer 9 decreases comparatively strongly, and this strong decrease is propagated to the heating current of the two-electrode tube 16, the internal resistance of which consequently increases significantly. As a result of this fact and the presence of a series resistor 11, the field current in the winding 15 increases and the generator voltage increases accordingly: the voltage decrease is reduced.



   It is of course not necessary to arrange the anodes 5 and 7 and the cathodes 6 and 8 (FIG. 1) in two tubes; a single discharge tube can also be used very simply in which all four electrodes are arranged. In Fig. 3 an embodiment of such a tube is shown, in which the parts corresponding to Fig. 1 are denoted by the same reference numerals.

 

Claims (1)

PATENT-ANSPRUCH : Einrichtung zum Regeln der Spannung eines Wechselstromgenerators, bei der dessen Spannungs- schwankungen mittels eines in Reihe mit der Spannungsquelle geschalteten Widerstandes verstärkt werden, dessen Grösse sich mit jener der Wechselspannung, aber in entgegengesetztem Sinne ändert, sowie einer EMI2.1 zeichnet, dass der Widerstand abwechselnd während jeder Halbperiode durch den inneren Widerstand einer von zwei Entladungsröhren gebildet wird, deren Anoden mit den Kathoden kreuzweise verbunden sind und deren Kathoden von der Spannungsquelle gespeist werden. EMI2.2 PATENT CLAIM: Device for regulating the voltage of an alternating current generator, in which its voltage fluctuations are amplified by means of a resistor connected in series with the voltage source, the size of which changes with that of the alternating voltage, but in the opposite sense, EMI2.1 shows that the resistance is formed alternately during each half cycle by the internal resistance of one of two discharge tubes whose anodes are cross-connected to the cathodes and whose cathodes are fed by the voltage source. EMI2.2
AT125596D 1929-07-23 1930-06-20 Device for regulating the voltage of an alternator. AT125596B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL125596X 1929-07-23

Publications (1)

Publication Number Publication Date
AT125596B true AT125596B (en) 1931-11-25

Family

ID=19775630

Family Applications (1)

Application Number Title Priority Date Filing Date
AT125596D AT125596B (en) 1929-07-23 1930-06-20 Device for regulating the voltage of an alternator.

Country Status (1)

Country Link
AT (1) AT125596B (en)

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